diff --git a/kotlin/local-data-api/Dockerfile b/kotlin/local-data-api/Dockerfile
index eb1c630..2dd79e7 100644
--- a/kotlin/local-data-api/Dockerfile
+++ b/kotlin/local-data-api/Dockerfile
@@ -4,4 +4,7 @@ RUN mkdir /app
 
 COPY ./build/libs/local-data-api-*-all.jar /app/local-data-api.jar
 WORKDIR /app
+
+EXPOSE 80
+
 CMD ["java", "-server", "-XX:+UnlockExperimentalVMOptions", "-XX:+UseContainerSupport", "-XX:+UseG1GC", "-XX:MaxGCPauseMillis=100", "-XX:+UseStringDeduplication", "-jar", "local-data-api.jar", "-port=80"]
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